Sepember 03, 2009
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Soil & Groundwater Newsletter Sepember 03, 2009 |
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| This Week´s Featured News Stories |
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Mapping and modeling eastern US food production
Agricultural Research Service (ARS) scientists are mapping an array of county-level data from Maine to Virginia on weather, soil, land use, water availability and other elements. Then they`ll use their map to model potential crop production and find out where local food production could meet current and projected demand—and where it won`t. Until recently, low fuel prices have contributed to the globalization of the U.S. food system. Food crops that are grown and processed in one region are often transported over long distances to a range of different markets. As a result, many of the fruits ... |
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Unique Acacia tree`s promise to revive African soils
Scientists said at the 2nd World Congress of Agroforestry that a type of acacia tree with an unusual growth habit-unlike virtually all other trees-holds particular promise for farmers in Africa as a free source of nitrogen for their soils that could last generations. With its nitrogen-fixing qualities, the tall, long-lived acacia tree, Faidherbia albida (Mgunga in Swahili) could limit the use of fertilizers; provide fodder for livestock, wood for construction and fuel wood, and medicine through its bark, as well as windbreaks and erosion control to farmers across sub-Saharan Africa. The tree illustrates ... |
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